At present, 1 in every 10 people is aged 60 years or older, ______ in 2050, 1 in every 5 people will be aged 60 years or older.
A.for example
B.in addition
C.whereas
D.also
网友回答
C解析试题解析：for example 举例；in addition 副词，另外；whereas 连词，然而；also副词，也，句意是现在十个人中就有一个人是60岁或者60岁以上，然而到2050年每5个人就有一个。考点：词义辨析。点评：此题较易，主要是弄清楚这些词的词性和词义根据句意选择。